31578642

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 70611840

約数和(自身を除く): 39033198

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 163, 229, 282, 326, 423, 458, 489, 687, 846, 978, 1374, 1467, 2061, 2934, 4122, 7661, 10763, 15322, 21526, 22983, 32289, 37327, 45966, 64578, 68949, 74654, 96867, 111981, 137898, 193734, 223962, 335943, 671886, 1754369, 3508738, 5263107, 10526214, 15789321, 31578642]

約数ペア:

[(1, 31578642), (2, 15789321), (3, 10526214), (6, 5263107), (9, 3508738), (18, 1754369), (47, 671886), (94, 335943), (141, 223962), (163, 193734), (229, 137898), (282, 111981), (326, 96867), (423, 74654), (458, 68949), (489, 64578), (687, 45966), (846, 37327), (978, 32289), (1374, 22983), (1467, 21526), (2061, 15322), (2934, 10763), (4122, 7661)]